Barrel for a firearm and air rifle



FIG. 1 is a right side, rear perspective view of a barrel for a firearm and air rifle showing my new design;

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a top view thereof;

FIG. 5 is a bottom view thereof;

FIG. 6 is a front view thereof; and,

FIG. 7 is a rear view thereof.

The broken lines shown on the drawings represent unclaimed portions of the design and form no part thereof. 

The ornamental design for a barrel for a firearm and air rifle, as shown and described. 